CVE-2022-26496
Last modified
CVE-2022-26496 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.
Description
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Network Block Device Project | Network Block Device | < 3.24 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
References
- https://lists.debian.org/nbd/2022/01/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/nbd/2022/01/msg00037.htmlExploit, Mailing List, Third Party Advisory
- https://sourceforge.net/projects/nbd/files/nbd/Product, Release Notes, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5100Third Party Advisory
- https://lists.debian.org/nbd/2022/01/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/nbd/2022/01/msg00037.htmlExploit, Mailing List, Third Party Advisory
- https://sourceforge.net/projects/nbd/files/nbd/Product, Release Notes, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5100Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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